Gaya APA
Bakrun, . et al (2004).
Geoscientific Studies Of Adum Geothermal Area Lembata, East Nusa Tenggara .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
Bakrun, . et al.
"Geoscientific Studies Of Adum Geothermal Area Lembata, East Nusa Tenggara".
Bandung:
Pusat Sumber Daya Geologi,
2004.
Fungsional.